Description
Nitto Kohki
Nitto Lock Cupla 200 Safety-Lock Air Coupling Socket — 3/8″ Hose Tail (L200-30SH)
Part No: L200-30SH | Barcode: 80099 | Series: Lock Cupla 200
The Nitto L200-30SH is a genuine Nitto Kohki Lock Cupla 200 safety-lock air coupling socket that push-fits onto 10mm (3/8″) air hose and connects to a Hi-Cupla plug with a sleeve safety-lock that prevents accidental disconnection under pressure. The socket houses the automatic shut-off valve, so air stops the instant a plug is removed — no air loss and no whipping hose. Built from heat-treated steel for long workshop life.
Genuine Nitto Kohki
Lock Cupla 200
3/8″ Size (30 Series)
3/8″ Hose Tail
Auto Shut-Off Valve
Sleeve Safety Lock
Heat-Treated Steel
Working Pressure 1.5 MPa
Suitable For
Compressed Air Lines
Air Tools & Nailers
Workshop Air Reticulation
Blow Guns & Tyre Inflators
Key Features & Benefits
- Genuine Nitto Kohki Hi-Cupla — the industry-standard one-touch air coupling used across Australian workshops, so it interchanges with the Nitto-pattern fittings you already own.
- Built-in automatic shut-off valve — air is cut off the moment a plug disconnects, stopping pressure loss and dangerous hose whip.
- Sleeve safety lock — a positive locking sleeve prevents accidental disconnection while the line is pressurised, ideal where a sudden release would be hazardous.
- 3/8″ hose tail (suits 10mm air hose) — barbed tail clamps securely onto 3/8″ air hose for a reliable, vibration-proof hose connection.
- Heat-treated steel construction — critical wear parts are hardened for long service life on busy compressed-air systems.
- 1.5 MPa working pressure — rated to 215 psi, well above typical 100–120 psi shop air, with a generous safety margin.
When to Use This Fitting
Reach for the Nitto L200-30SH when you need the valved half of an air connection — it push-fits onto 10mm (3/8″) air hose and connects to a Hi-Cupla plug with a sleeve safety-lock that prevents accidental disconnection under pressure. Fit sockets to your fixed points (compressor outlet, wall reticulation, hose reels) so tools can be swapped instantly without bleeding the line. Pair it with the matching halves in the table below — every Nitto 30-series plug and socket inter-connects regardless of whether the back end is a thread or a hose tail.
Pro Tip: Nitto-pattern is one of several incompatible quick-coupler standards (Nitto, ARO, CEJN and Euro all look similar but will not seat together). Standardising your whole shop on the Nitto Hi-Cupla pattern shown here means any plug mates with any socket across the 20, 30 and 40 sizes.
Authorised Australian Dealer — This product is a genuine Nitto Kohki coupling, backed by full Australian manufacturer warranty and local support from Nitto Kohki Australia.
Product Specifications
| Part No. | Type | Size / Connection |
|---|---|---|
| 20PF | Plug | 1/4″ — 1/4″ Female Thread |
| 20PM | Plug | 1/4″ — 1/4″ Male Thread |
| 20SF | Coupler (Socket) | 1/4″ — 1/4″ Female Thread |
| 20SM | Coupler (Socket) | 1/4″ — 1/4″ Male Thread |
| 30PH | Plug | 3/8″ — 3/8″ Hose Tail |
| 30PM | Plug | 3/8″ — 3/8″ Male Thread |
| 30SH | Coupler (Socket) | 3/8″ — 3/8″ Hose Tail |
| 40PH | Plug | 1/2″ — 1/2″ Hose Tail |
| 40SH | Coupler (Socket) | 1/2″ — 1/2″ Hose Tail |
| 40SM | Coupler (Socket) | 1/2″ — 1/2″ Male Thread |
| RL20PM | Rotary Plug | 1/4″ — 1/4″ Male Thread |
| RL20PFF | Rotary Plug | 1/4″ — 1/4″ Female Thread |
| NC200-30SH | Coupler (Socket) | 3/8″ — 3/8″ Hose Tail |
| L200-30SH ★ | Lock Coupler (Socket) | 3/8″ — 3/8″ Hose Tail |
★ You are viewing the highlighted item. Other plugs, sockets and sizes in the Nitto range are also available — mix and match to suit your compressor, hose and tools.
Browse our wide range of air fittings & piping at Alltools Geelong.
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